CISCO - Networking Basics - Domain 1 Review

What is the purpose of the Application layer of the TCP/IP model?

• Provides end-user services

• Manages data transport

• Routes data packets

• Establishes network connections.

The Transport layer of the TCP/IP model is responsible for ______.

• Routing data packets

• Managing data transport

• Providing end-user services

• Establishing network connections.

Which layer of the OSI model is responsible for data formatting and encryption?

• Application Layer

• Presentation Layer

• Session Layer

• Transport Layer

The _______ layer of the OSI model is responsible for establishing, managing, and terminating connections between applications.

• Application Layer

• Presentation Layer

• Session Layer

• Transport Layer

What does a frame contain?

• Data and control information

• Only data

• Only control information

• None of the above

On what layer of the OSI model do frames operate?

• Network layer

• Data link layer

• Transport layer

• Application layer

What does a packet contain?

• Data and control information

• Only data

• Only control information

• None of the above.

On what layer of the OSI model do packets operate?

• Network layer

• Data link layer

• Transport layer

• Application layer

At a destination, are frames de-encapsulated into packets, or are packets de-encapsulated into frames?

• Frames into packets

• Packets into frames.

Fill in the blank: Frames operate at the _______ layer of the OSI model.

• Network

• Data link

• Transport

• Application